SSL & HTTPS | Updated March 2026
Outdated Article
This article references the Let's Encrypt ACMEv1 API endpoint (acme-v01.api.letsencrypt.org), which was permanently shut down in June 2021. All certificate issuance now uses the ACMEv2 endpoint. If you're having trouble with Let's Encrypt SSL certificates on your Ultra Web Hosting account, the issue is no longer related to this endpoint.
cPanel's AutoSSL handles Let's Encrypt certificate issuance automatically using the current API. If your free SSL certificate isn't renewing or issuing, see our updated guide:
